Flow of energy from one organism to another in a food web
Cycling of nitrogen between soil, water, and the atmosphere
Living and non-living things in an area and their interactions
Conditions an animal needs to grow and reproduce
Meter
Centimeter
All of the above
Kilometer
Food webs
Boundaries
Resilience
Scale
Sunlight
Animals
Dead plants
Soil
the place where animals live
only found in forests
unchanging, fragile systems that are easily damaged
a collection of organisms and materials that interact